Variation (Astronomie) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Variation (Astronomie)" in German language version.

refsWebsite

Global rank German rank

1web.archive.org

1^st place

1^st place

1thefreedictionary.com

614^th place

2,179^th place

thefreedictionary.com

encyclopedia2.thefreedictionary.com

Ptolemäus. encyclopedia2.thefreedictionary.com. Columbia Electronic Encyclopedia. Columbia University Press. Abgerufen am 5. März 2018

web.archive.org

Leben und Wirken von Claudius Ptolemäus (Memento vom 28. September 2007 im Internet Archive)